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John Lynch — 1920 US Census Record

Model Tree available

1920 United States Federal Census · San Francisco, California

Our Model Tree links this John Lynch across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Patrick & John — first a son (b.~1892), then head of a 6-person household.

Age 28 b. ~1892 Male Son Born: California Single

1920 Census Record Details

Census Year1920
LocationSan Francisco, California
SurnameLynch
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age28
Marital StatusSingle
BirthplaceCalifornia
Father's BirthplaceIreland
Mother's BirthplaceIreland
Additional Details
OccupationClerk
IndustryThe Trust Co.
Class of WorkerW
Can ReadYes
Can WriteYes
Speaks EnglishYes
Mother TongueEnglish
Birth StateCalifornia
Birth CountryUnited States
Birthplace (normalized)california
OccupationClerk
Township / WardSan Francisco City
Est. Birth Year~1892

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

6 people recorded at the same address in the 1920 census.

Name Relation to head Relative to John Age Birth yr
Catherine Lynch Daughter — 25 ~1895
Margaret Lynch Daughter — 22 ~1898
Patrick Lynch Head — 59 ~1861
Thomas Lynch Son — 20 ~1900
John Lynch Son — 28 ~1892
Bridget Lynch Spouse — 57 ~1863

Census Appearances

1900
San Francisco, …
Son, age 8
San Francisco, California · implied b. ~1892 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Lynch
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 8
Marital Status Single
Birthplace California
Birth Month June
Birth Year 1892
Father's Birthplace Ireland
Mother's Birthplace Ireland
Occupation At School
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State California
Birth Country United States
Birthplace (normalized) california
1910
San Francisco, …
Son, age 17
San Francisco, California · implied b. ~1893 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Lynch
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 17
Marital Status Single
Birthplace California
Father's Birthplace Ireland
Mother's Birthplace Ireland
Occupation none
Birth State California
Birth Country United States
Birthplace (normalized) california
1920
San Francisco, …
Son, age 28
San Francisco, California · implied b. ~1892 — 6 household members
Surname Lynch
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 28
Marital Status Single
Birthplace California
Father's Birthplace Ireland
Mother's Birthplace Ireland
Occupation Clerk
Industry The Trust Co.
Class of Worker W
Can Read Yes
Can Write Yes
Speaks English Yes
Mother Tongue English
Birth State California
Birth Country United States
Birthplace (normalized) california

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Model Tree available
Our Model Tree links John Lynch across 3 US Census years (1900, 1910 and 1920) in San Francisco, California, using XGBoost record linkage. Identified parents: father Patrick Lynch (~0.92 confidence) and father John Lynch (~0.92 confidence) and father Patrick Lynch (~0.92 confidence) and mother Rose Lynch (~0.92 confidence) and mother Bridget Lynch (~0.92 confidence) and mother Margaret Lynch (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Patrick Lynch
b. ~1861
Source father
● Household · direct · ~0.92
Father
John Lynch
b. ~1867
Source father
● Household · direct · ~0.92
Father
Patrick Lynch
b. ~1840
Source father
● Household · direct · ~0.92
Mother
Rose Lynch
b. ~1869
Source mother
● Household · direct · ~0.92
Mother
Bridget Lynch
b. ~1863
Source mother
● Household · direct · ~0.92
Mother
Margaret Lynch
b. ~1865
Source mother
● Household · direct · ~0.92
This person
Anchor record
John Lynch
Son · 1920 · age 28 · b. ~1892 · California
★ You are viewing this record
Sibling
Margaret Lynch
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Lynch
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Lynch
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1920 US Federal Census — San Francisco, California Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu136unit:0511)

Line Name Age Relation Occupation Birthplace
1 Etta Chason 41 Head Nurse California
2 Elizabeth Laisun 53 Head None New York
3 John Hofmann 41 Brother Tailor New York
4 Martha Hofmann 33 Sister None New York
5 Paul Mathew 32 Head Painter Pennsylvania
6 Isabel Mathew 31 Wife None Philippines
7 Sarah Mathew 6 Daughter None California
8 Mamie Mathew 3 Daughter — California
9 Zelamina Mathew 1 Daughter — California
10 Ethel Mathew 0 Daughter — California
11 Rufina Mathew 0 Daughter — California
12 George Baruth 28 Head Baker Austria
13 Rose Baruth 29 Wife Inspector Tennessee
14 George Th. Schmidt 34 Head Butcher California
15 Elizabeth M. Schmidt 36 Wife None California
16 George R. Schmidt 15 Son None California
17 Dorothy M. Schmidt 11 Daughter None California
18 Alfred R. Petersen 32 Head Proprietor Denmark
19 Florence Petersen 25 Wife None Michigan
20 Alfred N. Petersen 7 Son None Colorado
21 Lucille Petersen 5 Daughter None Colorado
22 Charles F. Gardner 36 Head Healder Kansas
23 Agnes H. Gardner 26 Wife None Denmark
24 Thelma F. Gardner 2 Daughter — California
25 Dranford J. Ineria 56 Head Draftsman India
26 Isabella J. Ineria 53 Wife None Ireland
27 Isabella Goldman 76 Head None Ireland
28 William Josephs 61 Head Clerk Missouri
29 Marguerite A. West 28 Head Typist Illinois
30 Thelma A. West 22 Boarder None Illinois
31 Patrick Lynch 59 Head Newspaper Carrier Ireland
32 Bridget Lynch 57 Wife None Ireland
33 John Lynch THIS PERSON 28 Son Clerk California
34 Catherine Lynch 25 Daughter Comptometer Operator California
35 Margaret Lynch 22 Daughter Comptometer Operator California
36 Thomas Lynch 20 Son Warehouseman California
37 Theodore H. Frederickson 43 Head Hardware Germany
38 Alena Frederickson 37 Wife None California
39 Elmer J. Frederickson 0 Son — California
40 Carl Beers 30 Head Shipping Clerk Kansas
41 Jane Beers 30 Wife Saleslady Missouri
42 Herbert Beers 8 Son None California
43 May Tadwick 58 Mother None Missouri
44 Josephine Lucas 54 Head None California
45 Hyacinth R. Lucas 24 Son Electrician California
46 Irene Lucas 19 Daughter Check Clerk California
47 Josephine Lucas 17 Daughter None California
48 Franklin A. Watkins 51 Head Watchman Michigan
49 Laura Watkins 46 Wife None Canada
50 Allen Watkins 18 Son Puddler Iowa

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Pedigree Summary

John + 3 siblings
Gen 1 · 6 parents ~0.92
Max depth 4 (1900–1950 window)

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1920 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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